I. Application Introduction
Connecting multiple routers in series is primarily done to extend an existing network’s range or to build a new network (subnet) within the original network. We typically use multiple routers in series under the following circumstances:
A. In a home network, to expand wireless signal coverage, a new wireless router is added to boost the signal…
rap2 cannot be stopped after starting with npm start, because the service runs in the background via pm2 and must be killed manually.
Solution: Kill the rap2 process along with pm2. Here we take killing rap2-delos as an example:
Script (please modify the path and other info according to your situation):
#!/bin/bash
Id=`ps -ef|grep …
Sometimes after lftp connects to FTP, executing other commands is extremely slow, or it gets stuck on “Making data connection” forever. The reason lies in active vs. passive mode — some hosts can only be connected to using either active or passive mode.
Solution: Add `set ftp:passive-mode off` to the configuration file to make…
After purchase, you’ll receive the following files, which include the key, intermediate certificate, and others:
The useful files here are the key + SSL Certificate + Intermediate Certificate, namely domain.key, SSL Certificate.cer, and Intermediate Certificate.cer
Open these three files respectively, copy the contents, and paste them into a …
Mailgun is an email service that allows you to send emails using your own domain. The free plan includes up to 10,000 emails per month.
Sign up for a Mailgun account and choose the free plan (credit card verification required), then enter the user dashboard:
Add a domain:
Once done, complete the domain DNS resolution as prompted:
The DNS records generally …
One of our clients was under attack. Our network monitoring detected abnormally massive traffic spikes lasting six consecutive hours. We immediately contacted the client but received no response. We then modified and restricted the client’s VPS to ensure that an attack on a single VPS would not impact the entire server or other VPS users. We have maintained this …
Problem:
Win10 Git installation fatal: open /dev/null or dup failed: No such file or directory
Based on what others say, the cause should be a null.sys issue related to non-plug-and-play drivers. Finally found a working solution.
Download the file below and replace it in the following directory:
C:/ …
Availability Level Annual Downtime:
Basic Availability 99% 87.6 hours
High Availability 99.9% …
1. Yum Install Default Version 1.0.30-1.el6
CentOS 6 64-bit EPEL install:
rpm -ivh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
CentOS 7 EPEL install:
rpm -ivh http://dl.fedoraproject.org/pub …
Git Pull Error:
Permission denied (publickey). fatal: Could not read from remote repository. Please make sure you have the correct access rights and the repository exists.
Cause: The local host key …
